Finding the Fourth Proportional to 2,889,315.92, 3,987,297.60 and 1,665,599.24
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Solution
The fourth proportional to 2,889,315.92, 3,987,297.60 and 1,665,599.24 is: 2,298,550.95
Step by Step Solution
- Step 1: Write the proportion equation
2,889,315.92 : 3,987,297.60 = 1,665,599.24 : x - Step 2: Convert to fraction form
2,889,315.92/3,987,297.60 = 1,665,599.24/x - Step 3: Cross multiply
2,889,315.92x = 3,987,297.60 × 1,665,599.24 - Step 4: Simplify right side
2,889,315.92x = 6,641,239,852,213.82 - Step 5: Solve for x
x = 6,641,239,852,213.82/2,889,315.92 - Step 6: Final answer
x = 2,298,550.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.